beautypg.com

13 wiring the signal modules – Siemens Automation System S7-400 User Manual

Page 82

background image

Wiring the S7-400

4-22

Automation System S7-400 Hardware and Installation

A5E00850741-01

4.13

Wiring the Signal Modules

Procedure

How to connect your sensors and actuators to the S7-400 signal modules:

1. Wire the front connector.

This includes all incoming and outgoing connections of the sensorsan actuators.

2. Install the front connector on the module.

The Three Types of Front Connector

Three types of front connector are available for the S7-400 signal modules:

• Front connector with crimp terminals

• Front connector with screw terminals

• Front connector with spring loaded terminals.